Walter Su created HDFS-16644:
--------------------------------

             Summary: java.io.IOException Invalid token in 
javax.security.sasl.qop
                 Key: HDFS-16644
                 URL: https://issues.apache.org/jira/browse/HDFS-16644
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 3.2.1
            Reporter: Walter Su


deployment:

server side: kerberos enabled cluster with jdk 1.8 and hdfs-server 3.2.1

client side:
I run command hadoop fs -put a test file, with kerberos ticket inited first, 
and use identical core-site.xml & hdfs-site.xml configuration.

 using client ver 3.2.1, it succeeds.

 using client ver 2.8.5, it succeeds.

 using client ver 2.10.1, it fails. The client side error info is:

org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferClient: SASL 
encryption trust check: localHostTrusted = false, remoteHostTrusted = false
2022-06-27 01:06:15,781 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: 
DataNode{data=FSDataset{dirpath='[/mnt/disk1/hdfs, /mnt/***/hdfs, 
/mnt/***/hdfs, /mnt/***/hdfs]'}, localName='emr-worker-***.***:9866', 
datanodeUuid='b1c7f64a-6389-4739-bddf-***', xmitsInProgress=0}:Exception 
transfering block BP-1187699012-10.****-***:blk_1119803380_46080919 to mirror 
10.*****:9866
java.io.IOException: Invalid token in javax.security.sasl.qop: D
        at 
org.apache.hadoop.hdfs.protocol.datatransfer.sasl.DataTransferSaslUtil.readSaslMessage(DataTransferSaslUtil.java:220)

Once any client ver 2.10.1 connect to hdfs server, the DataNode no longer 
accepts any client connection, even client ver 3.2.1 cannot connects to hdfs 
server. The DataNode rejects any client connection. For a short time, all 
DataNodes rejects client connections. 

The problem exists even if I replace DataNode with ver 3.3.0 or replace java 
with jdk 11.
The problem is fixed if I replace DataNode with ver 3.2.0. I guess the problem 
is related to HDFS-13541




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